Cyclopropane carbonyl chloride is an important intermediate.

环丙甲酰氯是一种重要的中间。

Sugar alcohol (alditol) An alcohol derived from a monosaccharide by reduction of its carbonyl group (CO) so that each carbon atom of the sugar has an alcohol group (OH).

的羰(CO)还原得到一个醇．继而分子的每个碳原子都连有一个羟(OH)。

And it mainly includes the action of 1,3-diethylene alkylation and acidyl; the action of addition of carbonyl compound; the action of chlorortrimethys:lane and the reaction of diethy lene.

对含硫碳负离子─—1，3-噻烷的合成方法及其在有机合成上的应用进行比较系统的介绍，主要介绍1，3-噻烷的和酰反应，与羰合物的加成反应，与氯三甲硅的反应及1，3-噻烷的还原反应。

At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.

与此同时，醛、酮、酯类羰、芳香酮、醛类羰等类含氧团或者从无到有，或者官能团数量不断增加。

This paper andlyses and disscusses the application of group of equal value in syn-thetize to the synthetize of carbonyl chemical compound.

本文介绍并讨论了某些合成用等价团在合成羰合物中的应用。